A charge `Q` is uniformly on a ring of radius `R`. Find the electric potential on the axis of ring at distance `x` from the centre of the ring. Sketch variation of potential with respect to `x`.

A charge of 5 nC is uniformly distributed on a ring of radius 4 cm. Find the potential at the axis at a distance of 3 cm from the center.

Electric charge Q is uniformly distributed around a thin ring of radius a. find the potential a point P on the axis of the ring at a distance x from the centre of the ring .

Potential on the axis of ring of radius 3R and at distance 4R from centre of ring is (charge on the ring is Q )

A ring has radius 30cm and a charge of 2nC .The electric potential on the axis of the ring at a distance of 40cm from its centre will be

A charge Q is distributed uniformly on a ring of radius R as shown in the following diagrams. Find the electric potential at the centre O of the ring

Consider a circular ring of radius r, uniformly charged with linear charge density lambda . Find the electric potential aty a point on the exis at a distance x from the centre of the ring. Using this expression for the potential, find the electric field at this point.

Consider a circular ring of radius r, uniformly charged with linear charge density lambda . Find the electric potential aty a point on the exis at a distance x from the centre of the ring. Using this expression for the potential, find the electric field at this point.

A charge Q is distributed uniformly on a ring of radius R as shown in the following diagrams. Find the electric potential at the center O of the ring. (a)